Chemical Society Reviews, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 1, 2025
Recent advancements in wearable biosensors and bioelectronics highlight biocompatible conducting nanocomposite hydrogels as key components for personalized health devices soft electronics.
Language: Английский
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(52)
Published: March 22, 2024
Abstract Triboelectric nanogenerator (TENG) manifests distinct advantages such as multiple structural selectivity, diverse selection of materials, environmental adaptability, low cost, and remarkable conversion efficiency, which becomes a promising technology for micro‐nano energy harvesting self‐powered sensing. Tribo‐dielectric materials are the fundamental core components high‐performance TENGs. In particular, charge generation, dissipation, storage, migration dielectrics, dynamic equilibrium behaviors determine overall performance. Herein, comprehensive summary is presented to elucidate dielectric transport mechanism tribo‐dielectric material modification principle toward The contact electrification started first, followed by introducing basic Subsequently, mechanisms strategies highlighted regarding physical/chemical, surface/bulk, coupling, structure optimization. Furthermore, representative applications based TENGs power sources, sensors demonstrated. existing challenges potential opportunities advanced outlined, guiding design, fabrication, materials.
Language: Английский
Citations
64
ACS Nano, Journal Year: 2024, Volume and Issue: 18(4), P. 2685 - 2707
Published: Jan. 19, 2024
Optical metasurfaces, capable of manipulating the properties light with a thickness at subwavelength scale, have been subject extensive investigation in recent decades. This research has mainly driven by their potential to overcome limitations traditional, bulky optical devices. However, most existing metasurfaces are confined planar and rigid designs, functions, technologies, which greatly impede evolution toward practical applications that often involve complex surfaces. The disconnect between two-dimensional (2D) structures three-dimensional (3D) curved surfaces is becoming increasingly pronounced. In past two decades, emergence flexible electronics ushered an emerging era for metasurfaces. review delves into this cutting-edge field, focus on both conformal design fabrication techniques. Initially, we reflect milestones trajectories modern complemented brief overview theoretical underpinnings primary classifications. We then showcase four advanced emphasizing promising prospects relevance areas such as imaging, biosensing, cloaking, multifunctionality. Subsequently, explore three key trends including mechanically reconfigurable digitally controlled Finally, summarize our insights ongoing challenges opportunities field.
Language: Английский
Citations
43
ACS Nano, Journal Year: 2024, Volume and Issue: 18(5), P. 3871 - 3915
Published: Jan. 23, 2024
Energy harvesting textiles have emerged as a promising solution to sustainably power wearable electronics. Textile-based solar cells (SCs) interconnected with on-body electronics meet such needs. These technologies are lightweight, flexible, and easy transport while leveraging the abundant natural sunlight in an eco-friendly way. In this Review, we comprehensively explore working mechanisms, diverse types, advanced fabrication strategies of photovoltaic textiles. Furthermore, provide detailed analysis recent progress made various types textiles, emphasizing their electrochemical performance. The focal point review centers on smart for electronic applications. Finally, offer insights perspectives potential solutions overcome existing limitations textile-based photovoltaics promote industrial commercialization.
Language: Английский
Citations
37
Materials Today, Journal Year: 2024, Volume and Issue: 72, P. 140 - 162
Published: Jan. 1, 2024
Language: Английский
Citations
34
FlexMat., Journal Year: 2024, Volume and Issue: 1(1), P. 5 - 22
Published: April 1, 2024
Abstract Triboelectric nanogenerators (TENGs) have recently gained attention as a compelling platform technology for building wearable bioelectronics. Aside from being self‐powered, TENGs are lightweight, low in cost, rich material choice, comfortable to wear, and increasingly versatile with advances sensitivity efficiency. Due these features, become appealing biomedical sensing applications, especially human respiration monitoring. A wealth of information can be collected by breath‐induced electrical signals, which crucial the analysis patient's respiratory condition early detection harmful respiratory‐linked diseases. thus been used continuously collect important data, breathing patterns, flow rate, intensity an individual's cycle chemicals that may present their breath. This review paper provides overview recent developments TENG‐based monitoring well future opportunities challenges healthcare.
Language: Английский
Citations
20
Device, Journal Year: 2024, Volume and Issue: 2(1), P. 100252 - 100252
Published: Jan. 1, 2024
Language: Английский
Citations
16
Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown
Published: June 16, 2024
Abstract The measurement accuracy of current wearable pulse sensors is grandly challenged by motion artifacts caused body biomechanical activities. In this study, a honeycomb‐structure‐inspired sensor reported which not only performs ambulant cardiovascular monitoring but also realizes biometric authentication utilizing the acquired individual wave profiles. showcases an impressive sensitivity 46.2 mV Pa −1 , swift response time 21 ms, and exceptional durability (minimal degradation after 6000 cycles). For practical application in clinical settings, able to record signals continuously accurately from individuals aged between 27 57 years, especially including 29‐year‐old pregnant woman. Leveraging deep learning algorithms, further utilizes profiles for authentication, reaching classification up 99.4%. marks significant advancement field authentication.
Language: Английский
Citations
16
ACS Nano, Journal Year: 2023, Volume and Issue: 17(19), P. 19232 - 19241
Published: Sept. 26, 2023
Electricity generation from body heat has garnered significant interest as a sustainable power source for wearable bioelectronics. In this work, we report stretchable n-type thermoelectric fibers based on the hybrid of Ti3C2Tx MXene nanoflakes and polyurethane (MP) through wet-spinning process. The proposed are designed with 3D interconnected porous network to achieve satisfactory electrical conductivity (σ), thermal (κ), stretchability simultaneously. We systematically optimize mechanical traits MP MP-60 (with 60 wt % content) exhibits high σ 1.25 × 103 S m-1, an Seebeck coefficient -8.3 μV K-1, notably low κ 0.19 W m-1 K-1. Additionally, possess great strength tensile strain 434% breaking stress 11.8 MPa. Toward practical application, textile generator is constructed achieves voltage 3.6 mV temperature gradient between skin ambient environment, highlighting enormous potential low-grade energy harvesting.
Language: Английский
Citations
41
Microsystems & Nanoengineering, Journal Year: 2023, Volume and Issue: 9(1)
Published: Dec. 21, 2023
Flexible fiber-shaped strain sensors show tremendous potential in wearable health monitoring and human‒machine interactions due to their compatibility with everyday clothing. However, the conductive sensitive materials generated by traditional manufacturing methods fabricate sensors, including sequential coating solution extrusion, exhibit limited stretchability, resulting a stretch range interface delamination. To address this issue, we flexible capacitive sensor (FSFCSS) direct ink writing technology. Through technology, print parallel helical Ag electrodes on surface of TPU tube fibers encapsulate them high dielectric material BTO@Ecoflex, endowing FSFCSS excellent dual-mode sensing performance. The can sense dual-model strain, namely, axial tensile radial expansion strain. For sensing, exhibits wide detection 178%, significant sensitivity 0.924, low limit 0.6%, hysteresis coefficient 1.44%, outstanding mechanical stability. demonstrates 0.00086 mmHg-1 responsiveness static dynamic Furthermore, was combined portable data acquisition circuit board for physiological signals interaction wireless system. measure blood pressure heart rate, printed RF coil series hemodynamic sensor. This work enables simultaneous application implantable monitoring, thereby advancing development smart textiles.
Language: Английский
Citations
26
Nano Research, Journal Year: 2023, Volume and Issue: 17(2), P. 445 - 461
Published: July 26, 2023
Language: Английский
Citations
23